Four Moroccan groups (regimental-sized units, about 12 000 men in total) served with the Allied forces during World War II. They specialized in night raiding operations, and fought against the forces of Fascist Italy and Nazi Germany during 1942-45. Goumier units were also used to man the front lines in mountainous and other rough terrain areas.
An excerpt from The German Squad in Combat, Special Series No. 9, Military Intelligence Service, War Department, Washington, D.C., Jan 25, 1943
This summer we’ve extended the range of our Colonial Italians into the Western Desert of World War Two–and added Germans as well.